Too much turbulence in the rear. Was actually thinking bout this a few days ago; a better, or rather, a REAL diffuser would make a huge difference by creating better airflow that would improve the pressure difference between the dead space behind the rear end and the air flowing towards the rear. M Performance spoiler sufficient?

Mine is EBII as well and I was astounded that my car looked like the above picture after just a brief run in the rain. I knew that a medium blue car would show the dirt but man - this is brutal. And then we have the dusty M sport brakes and the 19 inch wheels to clean!

I have a brand new hobby - driveway detailer! Every couple of days. My neighbours think I am nuts. But then they drive Chryslers! Oh what a snobby remark!

Yea tell me about it. Spent 2 hours ex detailing the car and cleaned the windows, everything. Next day it rained. When I got home it did 't look too bad, just typical but holy cramp the back! I have a mineral white 328, looks like it turned to that nasty brown yet have...